20-25, 20-30, 20's, 20s, 25-30, 30-35, 30-40, 30's, 30s, 35-40, 40-45, 40-50, 40's, 40s, 45-50, 50-55, 50-60, 55-60, 60-65, 60-70, 60's, 60s, 65-70, 70-75, 70-80, 70's, 70s, 75-80, acknowledging, adult, african, african american, african-american, afro american, afro-american, amusement, angry, asian, assembly, calling, cellphone, cellular, cellular phone, challenging, chatting, cheerful, chinese, classical, color, colour, communicating, connecting, connexion, conversation, conversing, dance, delighted, demanding, dialog, dialogue, discussing, distracted, drama, elderly, enjoyment, examining, eyeing, far eastern, fellow, female, fifties, fifty, forgetful, forties, forty, gal, gazing, gentleman, glad, gratifying, group, guy, happy, hardship, head & shoulders, hearing, heedless, highlight, hispanic, human, human being, impediment, indoor, inside, issue, joining, jolly, joy, lady, latin, latin american, leisure activity, lifestyles, light, lighthearted, listener, looking, male, melody, merry, mid life, middle age, middle aged, middle eastern, middle-age, middle-aged, mobile, mobile phone, music, observing, obstacle, of african descent, old, oriental, pacific islander, pastime, performing arts, person, phone, pleasing, pleasure, plight, predicament, pressure, responding, retired, retirement, satisfaction, seated, seeing, senior, senior citizen, seventies, seventy, sixties, sixty, smile, speaking, spectating, spectator, spot light, strain, strained, stressful, talker, telephone, telephoning, tense, theatrical production, thirties, thirty, thoughtless, together, tribulation, twenties, twenty, uneasy, uptight, using, western european, wireless, women,